ieee80211

This is a library for parsing IEEE 802.11 WiFi packets into zero-cost data structures.

• Zero-cost abstraction: No parsing work is done until methods are called.
• Idiomatic rust: match-friendly enums for many types
• Fast: built with speed in mind

Documentation

Example

Getting some info out of a beacon packet.

use ieee80211::*;

const BEACON_PACKET: &[u8] = &[
  0x80, 0x00, 0x00, 0x70, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x01, 0xe3, 0x41, 0xbd, 0x6e,
  0x00, 0x01, 0xe3, 0x41, 0xbd, 0x6e, 0x10, 0xf0, 0x84, 0x21, 0x1a, 0x69, 0x02, 0x00, 0x00, 0x00,
  0x64, 0x00, 0x11, 0x04, 0x00, 0x09, 0x6d, 0x61, 0x72, 0x74, 0x69, 0x6e, 0x65, 0x74, 0x33, 0x01,
  0x08, 0x82, 0x84, 0x8b, 0x96, 0x24, 0x30, 0x48, 0x6c, 0x03, 0x01, 0x0b, 0x05, 0x04, 0x00, 0x01,
  0x00, 0x00, 0x2a, 0x01, 0x04, 0x2f, 0x01, 0x04, 0x32, 0x04, 0x0c, 0x12, 0x18, 0x60, 0xdd, 0x06,
  0x00, 0x10, 0x18, 0x01, 0x01, 0x00, 0xdd, 0x16, 0x00, 0x50, 0xf2, 0x01, 0x01, 0x00, 0x00, 0x50,
  0xf2, 0x02, 0x01, 0x00, 0x00, 0x50, 0xf2, 0x02, 0x01, 0x00, 0x00, 0x50, 0xf2, 0x02,
];

fn main() {
  let frame = Frame::new(&BEACON_PACKET);

  let receiver_address = frame.receiver_address();
  println!("receiver_address: {}", receiver_address);
  // receiver_address: ff-ff-ff-ff-ff-ff

  let layer = frame.next_layer().unwrap();
  let transmitter_address = match layer {
    FrameLayer::Management(ref management_frame) => management_frame.transmitter_address(),
    FrameLayer::Control(ref control_frame) => control_frame.transmitter_address(),
    FrameLayer::Data(ref data_frame) => data_frame.transmitter_address(),
  };

  if let Some(transmitter_address) = transmitter_address {
    println!("transmitter_address: {}", transmitter_address);
    // transmitter_address: 00-01-e3-41-bd-6e
  }

  if let FrameLayer::Management(ref management_frame) = layer {
    let management_frame_layer = management_frame.next_layer().unwrap();
    if let ManagementFrameLayer::Beacon(ref beacon_frame) = management_frame_layer {
      let ssid = String::from_utf8(beacon_frame.ssid().unwrap()).unwrap();
      println!("ssid: {}", ssid);
      // ssid: martinet3

      println!(
        "channel: {}",
        beacon_frame.tagged_parameters().channel().unwrap()
      );
      // channel: 11

      println!("privacy: {}", beacon_frame.capabilities_info().privacy);
      // privacy: true
    }
  }
}

License

MIT